CN208888108U - A kind of shale porosity test device - Google Patents
A kind of shale porosity test device Download PDFInfo
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- CN208888108U CN208888108U CN201821581127.7U CN201821581127U CN208888108U CN 208888108 U CN208888108 U CN 208888108U CN 201821581127 U CN201821581127 U CN 201821581127U CN 208888108 U CN208888108 U CN 208888108U
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- pipeline
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- shale
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Abstract
The utility model discloses a kind of shale porosity test devices, the device includes pressurizing device, computer, pressurizing piston container, sample room, constant voltage room, buffer, vacuum pump, pollution discharge pond, insulating box, high-pressure electric control valve, blowdown valve, various kinds of sensors, sensor integration battery plate, threeway and pipeline composition, it is characterized in that the utility model, which efficiently solves conventional porosity equipment of surveying, surveys some shortcomings that shale porosity occurs, it is taken out after avoiding shale rock sample pressurization saturated solution, saturated solution overflow problem in rock sample, the expansion issues of clay particle in shale, temperature inaccuracy problem caused by experimental result influence and manual operation, save labour, improve efficiency, substantially increase experimental precision.
Description
Technical field
The utility model relates to a kind of shale porosity test devices.
Background technique
Shale CLAY MINERALS AND THEIR SIGNIFICANCE content is high, is rich in organic matter, and conventional rock sample porosity measuring device measures shale hole
Degree can come with some shortcomings: kerosene is volatile, and the inclined water-wet of shale, kerosene cannot be introduced into all holes of shale, with
During mercury measures the apparent volume of shale, mercury is volatile, and toxic causes harm to the human body.Vacuumizing saturation
In, the shale of nanoscale pores'growth is different from the pressurization of conventional rock sample, and pressure needed for saturated solution of pressurizeing is often very big, takes out
Afterwards, saturated solution can overflow in rock sample, cause the measurement inaccuracy problem of porosity；The presence of swelling wall rock can be sent out
The case where raw hydration swelling and shale surface chip off-falling；There is also the devices of gaging hole porosity not to account for temperature to experimental result shadow
Inaccuracy problem caused by during loud and manual operation.
Utility model content
The problem of in order in the presence of background to be solved, the utility model provide one kind under isoperibol by calculating
Machine and related software semi-automatically realize the device of shale porosity determination, solve conventional porosity equipment of surveying and survey shale hole
The some shortcomings that porosity occurs, avoid the rock sample of saturated solution after vacuumizing saturation, take out from rock sample room, cause rock
Inaccuracy problem caused by solution overflow problem in sample, shale CLAY MINERALS AND THEIR SIGNIFICANCE expansion issues and manual operation factor.
In order to solve the above-mentioned technical problem and the unstable factor made of manual operation, the technical solution of the utility model
Are as follows: novel shale porosity determination device, the device include pressurizing device, computer, pressurizing piston container, sample room, constant pressure
Room, buffer, vacuum pump, pollution discharge pond, insulating box, high-pressure electric control valve, blowdown valve, various kinds of sensors, sensor integration battery plate,
Threeway and pipeline composition, wherein the bottom of pressurizing device and pressurizing piston container is connected with pipeline, and height is mounted between pipeline
Piezoelectricity sky valve, pressure sensor；Pressurizing piston container and sample room are connect in threeway with independent pipeline respectively, and between use again
Independent pipeline is connected, and has been respectively mounted electric control valve on pipeline；Quality determination sensor is mounted in sample room；The top of constant voltage room
It is connected with the independent pipeline in bottom of sample room, the independent pipeline in left side and pressurizing device of constant voltage room are connected, and are pacified on pipeline
High-pressure electric control valve is filled, and is mounted with pressure sensor between constant voltage room and pressurizing device；The independent pipeline of the threeway other end with
Buffer is connected, and is mounted with high-pressure electric control valve and pressure sensor on the pipeline between buffer and vacuum pump, buffer
Bottom and the bottom of constant voltage room use pipeline and pollution discharge pond to connect, and high-pressure electric control valve is mounted on pipeline；All all kinds of biographies
Sensor (in order to avoid attached drawing causes confusion, is not drawn into various kinds of sensors with the connection of the sensor integration battery plate of constant temperature chamber interior wall
With the connection between sensor integration battery plate), all data are transmitted to computer by integrated battery plate.
It is compared to traditional survey porosity equipment, the utility model has the following beneficial effects:
The utility model between sample room and pressurizing device by being provided with constant voltage room, can will be high by sensor
Pressure, the qualitative data of saturated solution rock sample is accurately transmitted to computer, and it is larger so that saturated solution rock sample to avoid pressure difference
Error caused by the spilling and manual operation factor of middle solution.
The utility model further includes transmitting data to computer using various kinds of sensors, realizing semi-automation, and improves effect
Rate saves labour, and solves the problems, such as that manual operation factor causes.
The utility model further includes buffer, and it is excessive to effectively prevent saturated solution, and back suction returns vacuum pump, causes vacuum
The problem of pump damage.
The utility model further includes the vacuum to pressurizing piston container and sample room, effectively reduces saturated solution
Middle air content, so that shale core saturation is more abundant.
The utility model further includes that saturated solution uses 4% potassium magnesium salt solution that can effectively inhibit clay particle in shale
Expansion caused by porosity be distorted situation, and in technique and economically most effective salinity.
The utility model further includes the use of insulating box, effectively prevents influence of the variation to experimental result of temperature.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model shale porosity test device.
In figure: pressurizing device 1, computer 2, pressurizing piston container 3, sample room 4, rock sample 5, mass sensor 6, constant voltage room
7, threeway 8, buffer 9, liquid level sensor 10, vacuum pump 11, pollution discharge pond 12, high-pressure electric control valve 13, high-pressure electric control valve 14,
High-pressure electric control valve 15, high-pressure electric control valve 16, high-pressure electric control valve 17, high-pressure electric control valve 18, high-pressure electric control valve 19 are high
Voltage control valve 20, high-pressure electric control valve 21, pressure sensor 22, pressure sensor 23, pressure sensor 24, sensor integration
Battery plate 25, insulating box 26.
Specific embodiment
Detailed description and technology contents about the utility model, cooperation Detailed description of the invention it is as follows, right attached drawing be only with reference to
Purposes of discussion is not used to limit the utility model.
As shown in attached drawing 1, shale porosity test device, including pressurizing device 1, computer 2, pressurizing piston container 3,
Sample room 4, constant voltage room 7, threeway 8, buffer 9, vacuum pump 11, wherein the bottom of pressurizing device 1 and pressurizing piston container 3 is used
Pipeline is connected, and high-voltage electricity sky valve 14, pressure sensor 22 are mounted between pipeline；Pressurizing piston container 3 divides with sample room 4
Do not connect in threeway 8 with independent pipeline, and between connected again with independent pipeline, be respectively mounted on pipeline electric control valve 15,16,
17；Quality determination sensor 6 is mounted in sample room；The top of constant voltage room 7 and the bottom of sample room 4 connected with independent pipeline and
High-pressure electric control valve 18 is installed, the independent pipeline in left side and pressurizing device 1 of constant voltage room 7 are connected, and are installed on pipeline high on pipeline
Voltage control valve 13 and pressure sensor 23；The independent pipeline of 8 other end of threeway and buffer 9 are connected, buffer 9 and vacuum pump
High-pressure electric control valve 21 and pressure sensor 24, the bottom of buffer 9 and the bottom of constant voltage room 7 are mounted on pipeline between 11
It is connected with pipeline and pollution discharge pond 12, and is mounted with high-pressure electric control valve 19,20 on pipeline；All various kinds of sensors are and constant temperature
The connection of sensor integration battery plate 25 of chamber interior wall (in order to avoid attached drawing causes confusion, is not drawn into various kinds of sensors and sensor collection
At the connection between battery plate 25), all data are transmitted to computer 2 by integrated battery plate 25.1 in addition to pressurizing device, calculate
Outside machine 2, vacuum pump 11 and pollution discharge pond 12, remaining equipment is in insulating box 26.
The concrete operation step of the device:
1, computer and related software are opened, all high-pressure electric control valves is closed, the piston of pressurizing piston container 3 is transferred to
Bottommost then injects the potassium magnesium salt solution that 3/5ths concentration are 4% into pressurizing piston container 3；
2, rock sample 5 is placed on the mass sensor 6 in rock sample room 4, later open high-voltage electricity sky valve 15,16,
17,21, begin to use vacuum pump 11 to vacuumize, after the display -0.1Mpa on the computer 2 of pressure sensor 24, continues to take out true
The data m of mass sensor 6 is recorded after 8 hours, 8 hours empty from computer0；
3, it is then switched off high-voltage electricity sky valve 15, high-voltage electricity sky valve 14 is opened, is held pressurizing piston by pressurizing device 1
Saturated solution in device 3 injects rock sample room, when the liquid level sensor in buffer 9 shows solution in computer 2, first closes
High-voltage electricity sky valve 17,21, turns off vacuum pump, continues to be forced into strata pressure later by pressurizing device 1, keeps pressure steady
It is 6 hours fixed.After 6 hours, rock sample saturation is finished, and the data m of mass sensor 6 is recorded from computer1；
4, high-voltage electricity sky valve 14 is closed, high-voltage electricity sky valve 13 is opened, extremely is laminated to gas pressurized in constant voltage room 7
Power after pressure remained steady 1 hour, first closes high-voltage electricity sky valve 13, closes pressurizing device 1, then open high-voltage electricity sky valve
18, the saturated solution of rock sample room 4 replaces saturated solution to constant voltage room 7 in the case where keeping strata pressure constant, to be replaced
Data m after the completion of saturated solution, after record mass sensor 6 is stable2；
5, saturated solution is discharged in pollution discharge pond 12: first opens high-pressure electric control valve 19, after constant voltage room 7 is drained, then beats
High-voltage electricity sky valve 20 is opened, after buffer 9 is drained, closes high-voltage electricity sky valve 19,20, experiment is completed.
By the initial data m for being transmitted to computer 20、m1、m2, can calculate
According to the shale of nanoscale pores'growth, pressure needed for saturated solution of pressurizeing is often very big, in the mistake of substitutional solution
Cheng Zhong, since the pressure in sample room 4 and constant voltage room 7 all keeps identical, so substitutional solution will not cause entry into rock sample and embezzle
It is overflowed with solution, causes porosity calculation inaccurate.
Saturated solution can effectively inhibit hole caused by the expansion of clay particle in shale using 4% potassium magnesium salt solution
Degree distortion situation, and in technique and economically most effective salinity.
Using computer and various kinds of sensors, the inaccuracy of calculated result caused by human factor is effectively prevented, and improve
Efficiency saves labour.
The use of insulating box effectively prevents influence of the temperature to experimental result.
The utility model takes out after efficiently solving shale rock sample pressurization saturated solution, and saturated solution spilling is asked in rock sample
It inscribes, the expansion issues of clay particle in shale, temperature inaccuracy problem caused by experimental result influence and manual operation, section
Labour is saved, efficiency is improved, substantially increases experimental precision.
The foregoing is merely the utility model preferred embodiment, the not limitations of protection scope, described in the utility model
Technical solution scope, person of ordinary skill in the field make various simple deformations and modification, should be included in the above application
In the scope of the patents.
Claims (1)
1. a kind of shale porosity test device, which is characterized in that including pressurizing device, computer, pressurizing piston container, sample
Room, constant voltage room, buffer, vacuum pump, pollution discharge pond, insulating box, high-pressure electric control valve, blowdown valve, various kinds of sensors, sensor collection
At battery plate, threeway and pipeline composition, wherein the bottom of pressurizing device and pressurizing piston container is connected with pipeline, and is pacified between pipeline
High-voltage electricity sky valve, pressure sensor are filled；Pressurizing piston container and sample room are connect in threeway with independent pipeline respectively, and it
Between connected again with independent pipeline, be respectively mounted electric control valve on pipeline；Quality determination sensor is mounted in sample room；Constant voltage room
Top and the bottom of sample room connected with independent pipeline, the independent pipeline in left side and pressurizing device of constant voltage room are connected, pipeline
On be respectively mounted high-pressure electric control valve, and pressure sensor is mounted between constant voltage room and pressurizing device；The threeway other end is with individually
Pipeline and buffer are connected, and are mounted with high-pressure electric control valve and pressure sensor on the pipeline between buffer and vacuum pump, are delayed
The bottom of the bottom and constant voltage room that rush device uses pipeline and pollution discharge pond to connect, and high-pressure electric control valve is mounted on pipeline；It is all
Various kinds of sensors is connected with the sensor integration battery plate of constant temperature chamber interior wall, and all data are transmitted to computer by integrated battery plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821581127.7U CN208888108U (en) | 2018-09-27 | 2018-09-27 | A kind of shale porosity test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821581127.7U CN208888108U (en) | 2018-09-27 | 2018-09-27 | A kind of shale porosity test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208888108U true CN208888108U (en) | 2019-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821581127.7U Expired - Fee Related CN208888108U (en) | 2018-09-27 | 2018-09-27 | A kind of shale porosity test device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111693433A (en) * | 2020-06-08 | 2020-09-22 | 中国石油天然气股份有限公司 | Core vacuumizing and pressurizing saturated water device and method |
| CN113916749A (en) * | 2021-10-28 | 2022-01-11 | 中国石油大学(华东) | Method for measuring effective porosity of rock core |
| CN116087470A (en) * | 2023-01-18 | 2023-05-09 | 青岛理工大学 | XRD-based soil body expansion pressure testing device under salinity field change |
-
2018
- 2018-09-27 CN CN201821581127.7U patent/CN208888108U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111693433A (en) * | 2020-06-08 | 2020-09-22 | 中国石油天然气股份有限公司 | Core vacuumizing and pressurizing saturated water device and method |
| CN113916749A (en) * | 2021-10-28 | 2022-01-11 | 中国石油大学(华东) | Method for measuring effective porosity of rock core |
| CN116087470A (en) * | 2023-01-18 | 2023-05-09 | 青岛理工大学 | XRD-based soil body expansion pressure testing device under salinity field change |
| CN116087470B (en) * | 2023-01-18 | 2024-05-31 | 青岛理工大学 | XRD-based soil body expansion pressure testing device under salinity field change |
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Granted publication date: 20190521 Termination date: 20200927 |
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| CF01 | Termination of patent right due to non-payment of annual fee |